An old asylum in a dream is read as fear of losing control of your own mind, or of being misunderstood and shut away. Dream books treat it as stress asking for care and rest, not as a judgement on you.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.